Pathological changes in liver due to the toxicity of Ageratum conyzoides (babadotan)

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Pathological changes in liver due to the toxicity of Ageratum conyzoides (babadotan)
[1994]

Sani, Y.
Bahri, S. (Balai Penelitian Veteriner, Bogor (Indonesia))

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Pathological changes in liver due to the toxicity of Ageratum conyzoides (babadotan)

1994

Sani, Y.; Bahri, S.

Liver injury is a consistent pathological change found intoxicated with Ageratum conyzoides. Adult Wistar rats showed a persistent reduction of body weight gain for 28 days of feeding on 20 percent A. conyzoides diet. Macroscopically liver appeared to have mottling on the capsular surface, and this lesion was the only pathological change found in rats. Megalocytosis and proliferation of bile suct cell were noted in liver microscopically. Similar clinical signs were also seen in rats fed on 10 percent of A. conyzoides diet for six weeks of feeding. Pathological changes did not appear in the liver during the first week of feeding. The pathological changes started to develop in the second week of feeding including anisokaryocytosis, proliferation of bile duct cells and infiltration of mononuclear cells inside and/or outside the veins and arteries of liver in the second week of feeding. Megalocytosis appeared in the third week followed by marked anisokaryocytosis and bile duct cells proliferation. On week-4, focal hepatic necrosis with bile duct cells proliferation were seen in the liver. Bile duct cells proliferation became more extensive in the portal tract where the interstitium of portal tracts were thickened and infiltrated by bile duct cells in the fifth week. The liver lesions were more prominent in sixth week of feeding. Supplementation of diets with normal diet led to liver regeneration in rats. Hepatic cells regeneration was seen in day-2 after the supplementation as being more basophilic and contained with granular materials in the cytoplasms followed by the infiltration of Kupffer cells and lymphocytes in sinusoids and portal tracts. Liver appeared to recover on day -5, but proliferation of bile duct cells were still present until this study was terminated at day-14

Liver injury is a consistent pathological change found intoxicated with Ageratum conyzoides. Adult Wistar rats showed a persistent reduction of body weight gain for 28 days of feeding on 20 percent A. conyzoides diet. Macroscopically liver appeared to have mottling on the capsular surface, and this lesion was the only pathological change found in rats. Megalocytosis and proliferation of bile suct cell were noted in liver microscopically. Similar clinical signs were also seen in rats fed on 10 percent of A. conyzoides diet for six weeks of feeding. Pathological changes did not appear in the liver during the first week of feeding. The pathological changes started to develop in the second week of feeding including anisokaryocytosis, proliferation of bile duct cells and infiltration of mononuclear cells inside and/or outside the veins and arteries of liver in the second week of feeding. Megalocytosis appeared in the third week followed by marked anisokaryocytosis and bile duct cells proliferation. On week-4, focal hepatic necrosis with bile duct cells proliferation were seen in the liver. Bile duct cells proliferation became more extensive in the portal tract where the interstitium of portal tracts were thickened and infiltrated by bile duct cells in the fifth week. The liver lesions were more prominent in sixth week of feeding. Supplementation of diets with normal diet led to liver regeneration in rats. Hepatic cells regeneration was seen in day-2 after the s

upplementation as being more basophilic and contained with granular materials in the cytoplasms followed by the infiltration of Kupffer cells and lymphocytes in sinusoids and portal tracts. Liver appeared to recover on day -5, but proliferation of bile duct cells were still present until this study was terminated at day-14

Other subjects

raton

souris

foie

toxicidad por ingestion

animal de laboratoire

higado

animales de laboratorio

toxicite par ingestion

ageratum conyzoides

From the journal

Penyakit Hewan (Indonesia)

ISSN
:
0216-7662

Other information

Language
:
Indonesian

Type
:
Summary

In AGRIS since
:
1997

Volume
:
26

Issue
:
48

Start Page
:
64

End Page
:
70

All titles
:

"
Pathological changes in liver due to the toxicity of Ageratum conyzoides (babadotan)
"

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